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Ask an expert advisor

Many award-winning sound-off competitors put their mid-woofers and tweeters in custom-built kick panel enclosures because that's one of the best ways to get a concert-quality stereo image. But why pay hundreds of dollars to an installer? Mount your 5-1/4" components in Q-Logic's Q-Forms, which deliver competition-quality imaging without the expensive custom installation work.

With Q-Forms, each speaker is located and angled to maximize sound quality. The theory is that the distance between your ears and each of the speakers should be equal. With your speakers in the kick panels, it's like sitting in that "sweet spot" at a concert or right between your home speakers.

All the available colors for the Q-Forms that fit your vehicle are listed here. Pick the color that matches your interior. If there is no match for your vehicle, that means Q-Forms are not available for it.

To install your component speakers in the Q-Forms, you have to cut holes for them in the Q-Form panels. Installing the Q-Form panels in your vehicle may sometimes require relocation of the parking brake pedal or other vehicle parts. Please check with us before purchasing by using the vehicle selector on our site, or calling a Sales Advisor at 1-888-955-6000 to verify fit information.

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They didn't test these.

Written By GabrielS, Minnesota on Monday, November 07, 2011

If I have my seat completely down and as far back as my leg length will allow, I can barely hear some of the tweeter on the driver's side--also, I have to have the seat reclined considerably. This is just a bad design. I expected a higher standard of quality and engineering from Crutchfield. If just one person would have tested these or at least put some thought to the design, I could have saved $60. The 6.5 enclosures have the tweeters at the bottom, at least in the pictures. Why couldn't the 5.25 enclosures share this design? Nobody thought about it apparently. Don't get these for a 1997 Mercedes C230.

Pros:The material is good. It's not easy to cut, but it matches the interior of the car well. They don't resonate at all and the polyfill was a nice addition.

Cons:The tweeters are mounted way too high. They are completely hidden under the dash. It's not even close either. The tweeters are out of ear-shot, especially the driver's tweeter.

Product Research

Compatibility: These Q-Forms
kick panels are designed to fit your 1994-1999 Mercedes Benz C Class. The blue color is matched to the blue interior of
the 1994-1999 Mercedes Benz C Class.

Optimum Imaging: With Q-Forms
kick panels, the speakers are positioned so they are equidistant from your ears,
putting you in the "sweet" spot.

Key Features:

Color matched to the interior of
your vehicle

Molded in one piece for a factory
appearance

Speakers positioned and angled for
optimum stereo staging and imaging

Equalized path lengths reduce
right/left volume bias

Installation

Compatible Speaker Sizes: You
can mount a tweeter with a maximum diameter of 2-1/2". The midrange/midbass
section of the Q-Forms is made to accept speaker sizes ranging from 3-1/2"
to 5-1/4". The maximum frame width/diameter allowable for the midrange/bass
driver is 6-1/8", so a few 6-1/2" units may fit. Our database
contains information relating to cutout requirements, frame width, and mounting
depth for all of our speakers, so please check with a Crutchfield Product
Advisor before ordering if you wish to use 6-1/2" speakers in these kick
panels.

Tweeter Mounting: The tweeters
can be flush or surface mounted. If they are surface mounted, make sure to allow
for clearance from obstructions such as the parking brake.

Allowable Speaker Mounting Depths:
Giving exact mounting depths is not possible since it will depend to some extent
on the space available behind the factory kick panel, which can vary; however,
the minimum flush mount depth is 3/4" for the tweeter and 2-1/2" for
the woofer/mid bass component.

Hole Cutting Required: Mounting
speakers requires cutting the Q-Forms plastic. The Q-Forms do not come with
precut holes, so holes must be cut to fit the speakers you choose to install in
the Q-Forms. If you decide to surface mount tweeters to the Q-Forms, the only
holes that must be cut are the ones for the midrange/midbass drivers. If you
want to flush mount tweeters to the Q-Forms, holes must be cut for the tweeters
and midrange/midbass drivers.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to
find elsewhere. That's because we have our own in-house Product Research
team. They verify what’s in the box, check the owner's manual, and record
dimensions, features and specs. We stay on top of new products and technologies
to help people make informed choices.